Date
July 1, 2025, 3:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.033433] ================================================================== [ 17.033576] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 17.033684] Write of size 16 at addr fff00000c5733a69 by task kunit_try_catch/179 [ 17.033768] [ 17.033804] CPU: 1 UID: 0 PID: 179 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.033932] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.034009] Hardware name: linux,dummy-virt (DT) [ 17.034040] Call trace: [ 17.034062] show_stack+0x20/0x38 (C) [ 17.034111] dump_stack_lvl+0x8c/0xd0 [ 17.034161] print_report+0x118/0x608 [ 17.034208] kasan_report+0xdc/0x128 [ 17.034253] kasan_check_range+0x100/0x1a8 [ 17.034299] __asan_memset+0x34/0x78 [ 17.034341] kmalloc_oob_memset_16+0x150/0x2f8 [ 17.034387] kunit_try_run_case+0x170/0x3f0 [ 17.034436] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.034487] kthread+0x328/0x630 [ 17.034527] ret_from_fork+0x10/0x20 [ 17.034609] [ 17.034683] Allocated by task 179: [ 17.034765] kasan_save_stack+0x3c/0x68 [ 17.034806] kasan_save_track+0x20/0x40 [ 17.034842] kasan_save_alloc_info+0x40/0x58 [ 17.034881] __kasan_kmalloc+0xd4/0xd8 [ 17.034917] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.034956] kmalloc_oob_memset_16+0xb0/0x2f8 [ 17.034993] kunit_try_run_case+0x170/0x3f0 [ 17.035030] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.035073] kthread+0x328/0x630 [ 17.035176] ret_from_fork+0x10/0x20 [ 17.035257] [ 17.035319] The buggy address belongs to the object at fff00000c5733a00 [ 17.035319] which belongs to the cache kmalloc-128 of size 128 [ 17.035377] The buggy address is located 105 bytes inside of [ 17.035377] allocated 120-byte region [fff00000c5733a00, fff00000c5733a78) [ 17.035439] [ 17.035465] The buggy address belongs to the physical page: [ 17.035514] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105733 [ 17.035662] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.035810] page_type: f5(slab) [ 17.035934] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.036061] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.036100] page dumped because: kasan: bad access detected [ 17.036132] [ 17.036149] Memory state around the buggy address: [ 17.036181] fff00000c5733900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.036225] fff00000c5733980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.036309] >fff00000c5733a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.036500] ^ [ 17.037061] fff00000c5733a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.037159] fff00000c5733b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.037204] ==================================================================
[ 11.745070] ================================================================== [ 11.746430] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 11.747149] Write of size 16 at addr ffff8881027c2969 by task kunit_try_catch/195 [ 11.747901] [ 11.748009] CPU: 1 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.748069] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.748081] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.748101] Call Trace: [ 11.748115] <TASK> [ 11.748133] dump_stack_lvl+0x73/0xb0 [ 11.748373] print_report+0xd1/0x650 [ 11.748406] ? __virt_addr_valid+0x1db/0x2d0 [ 11.748475] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.748497] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.748518] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.748539] kasan_report+0x141/0x180 [ 11.748560] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.748585] kasan_check_range+0x10c/0x1c0 [ 11.748607] __asan_memset+0x27/0x50 [ 11.748625] kmalloc_oob_memset_16+0x166/0x330 [ 11.748659] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 11.748694] ? __schedule+0x10cc/0x2b60 [ 11.748717] ? __pfx_read_tsc+0x10/0x10 [ 11.748737] ? ktime_get_ts64+0x86/0x230 [ 11.748759] kunit_try_run_case+0x1a5/0x480 [ 11.748782] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.748805] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.748827] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.748848] ? __kthread_parkme+0x82/0x180 [ 11.748867] ? preempt_count_sub+0x50/0x80 [ 11.748890] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.748913] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.748934] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.748956] kthread+0x337/0x6f0 [ 11.748973] ? trace_preempt_on+0x20/0xc0 [ 11.748995] ? __pfx_kthread+0x10/0x10 [ 11.749014] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.749046] ? calculate_sigpending+0x7b/0xa0 [ 11.749069] ? __pfx_kthread+0x10/0x10 [ 11.749088] ret_from_fork+0x116/0x1d0 [ 11.749105] ? __pfx_kthread+0x10/0x10 [ 11.749124] ret_from_fork_asm+0x1a/0x30 [ 11.749153] </TASK> [ 11.749165] [ 11.767990] Allocated by task 195: [ 11.768209] kasan_save_stack+0x45/0x70 [ 11.768412] kasan_save_track+0x18/0x40 [ 11.768584] kasan_save_alloc_info+0x3b/0x50 [ 11.769359] __kasan_kmalloc+0xb7/0xc0 [ 11.769972] __kmalloc_cache_noprof+0x189/0x420 [ 11.770745] kmalloc_oob_memset_16+0xac/0x330 [ 11.771296] kunit_try_run_case+0x1a5/0x480 [ 11.771904] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.772658] kthread+0x337/0x6f0 [ 11.773185] ret_from_fork+0x116/0x1d0 [ 11.773781] ret_from_fork_asm+0x1a/0x30 [ 11.774404] [ 11.774762] The buggy address belongs to the object at ffff8881027c2900 [ 11.774762] which belongs to the cache kmalloc-128 of size 128 [ 11.776060] The buggy address is located 105 bytes inside of [ 11.776060] allocated 120-byte region [ffff8881027c2900, ffff8881027c2978) [ 11.776528] [ 11.776624] The buggy address belongs to the physical page: [ 11.777554] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027c2 [ 11.778797] flags: 0x200000000000000(node=0|zone=2) [ 11.779442] page_type: f5(slab) [ 11.779977] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.780990] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.781925] page dumped because: kasan: bad access detected [ 11.782166] [ 11.782255] Memory state around the buggy address: [ 11.782455] ffff8881027c2800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.783338] ffff8881027c2880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.784461] >ffff8881027c2900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.785313] ^ [ 11.786291] ffff8881027c2980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.787300] ffff8881027c2a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.788333] ==================================================================